<template> 
  <div>
    <el-dialog
      :title="dialogInfo.isAdd ? '添加分类' : '编辑分类'"
      :visible.sync="dialogInfo.isShow"
      :before-close="cancel"
      center
    >
      <el-form :model="cateInfo" :rules="rules" ref="cateInfo">
        <el-form-item label="上级分类" :label-width="formLabelWidth" prop="pid">
          <el-select v-model="cateInfo.pid" placeholder="请选择">
            <el-option label="顶级分类" :value="0"></el-option>
            <el-option
              v-for="item in catelist"
              :key="item.id"
              :label="item.catename"
              :value="item.id"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="分类名称" :label-width="formLabelWidth" prop="catename">
          <el-input v-model="cateInfo.catename" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="图片" :label-width="formLabelWidth">
          <el-upload
            action="#"
            list-type="picture-card"
            :on-preview="onPreview"
            :on-remove="onRemove"
            :on-change="onChange"
            :auto-upload="false"
            :file-list="filelist"
          >
            <i class="el-icon-plus"></i>
          </el-upload>
          <el-dialog :visible.sync="dialogVisible">
            <img width="100%" :src="dialogImageUrl" alt>
          </el-dialog>
        </el-form-item>
        <el-form-item label="状态" :label-width="formLabelWidth">
          <el-switch
            v-model="cateInfo.status"
            active-color="#13ce66"
            inactive-color="#ff4949"
            :active-value="1"
            :inactive-value="2"
          ></el-switch>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="cancel">取 消</el-button>
        <el-button v-if="dialogInfo.isAdd" type="primary" @click="addCate">添 加</el-button>
        <el-button v-else type="primary" @click="editMenu">编 辑</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { addCate, postEditCate, getCateInfo } from "../../request/api";
import { mapActions, mapGetters } from "vuex";
export default {
  data() {
    return {
      cateInfo: {
        pid: 0, //上级分类编号
        catename: "", //分类名称
        img: "", //图片(文件，一般用于二级分类)
        status: 1 //状态1正常2禁用
      },
      formLabelWidth: "120px", //label宽度
      //规则验证
      rules: {
        catename: [
          { required: true, message: "请输入分类名称", trigger: "blur" },
          { min: 2, max: 8, message: "长度在 2 到 8 个字符", trigger: "blur" }
        ],
        pid: [{ required: true, message: "请选择上级分类", trigger: "change" }]
      },
      //dialogVisible 预览图片是否显示
      dialogVisible: false,
      dialogImageUrl: "",
      filelist: []
    };
  },
  computed: {
    ...mapGetters({
      catelist: "cate/getCateList"
    })
  },
  props: ["dialogInfo"],
  methods: {
    //文件改变时触发
    onChange(file, filelist) {
      console.log(file, "333333");
      console.log(filelist, "44444");
      this.cateInfo.img = file.raw;
    },
    //图片预览方法
    onPreview(file) {
      console.log(file, "文件");
      this.dialogImageUrl = file.url;
      //让弹框显示
      this.dialogVisible = true;
    },
    //图片移除
    onRemove() {},
    ...mapActions({
      getCate: "cate/getCateListAction"
    }),
    //个取消
    cancel() {
      //改变父组件的isShow的状态
      this.$emit("cancel", false);
      //调取清空事件
      this.reset();
    },
    //清空事件
    reset() {
      this.cateInfo = {
        pid: 0, //上级分类编号
        catename: "", //分类名称
        img: "", //图片(文件，一般用于二级分类)
        status: 1 //状态1正常2禁用
      };
      //调用清空验证的方法
      this.$refs.cateInfo.resetFields();
      //清空图片文件
      this.filelist = [];
    },
    // 确定事件
    addCate() {
      this.$refs.cateInfo.validate(valid => {
        if (valid) {
          //验证成功调用添加接口
          // console.log(this.cateInfo,'表单对象');
          addCate(this.cateInfo).then(res => {
            console.log(res, "添加分类");
            if (res.code == 200) {
              this.$message.success(res.msg);
              this.cancel();
              this.getCate();
            } else {
              this.$message.error(res.msg);
            }
          });
        } else {
          this.$message.error("验证失败");
          return false;
        }
      });
    },
    //查询一条数据的接口
    lookup(id) {
      getCateInfo({ id }).then(res => {
        if (res.code == 200) {
          this.cateInfo = res.list;
          this.cateInfo.id = id;
          //图片数据回显
          this.filelist = [{ url: this.$http + this.cateInfo.img }];
        } else {
          this.$message.error(res.msg);
        }
      });
    },
    // 编辑事件
    editMenu() {
      this.$refs.cateInfo.validate(valid => {
        if (valid) {
          postEditCate(this.cateInfo).then(res => {
            console.log(res, "添加分类");
            if (res.code == 200) {
              this.$message.success(res.msg);
              this.cancel();
              this.getCate();
            } else {
              this.$message.error(res.msg);
            }
          });
        } else {
          this.$message.error("验证失败");
          return false;
        }
      });
    }
  }
};
</script>
<style scoped>
</style>
